Question and response
Question
dig extmail.bigpond.com. PTR
Answer
The response has no answer records.
Authority
extmail.bigpond.com. 500 SOA cladnsf5.bigpond.com. hostmaster.cladnsf5.bigpond.com. 2023050204 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0